You can send a key out that will only unlock a Review "branch" of a steam game. The game itself can be clearly marked as a review copy and can even be a cut dow

You can send a key out that will only unlock a Review "branch" of a steam game. The game itself can be clearly marked as a review copy and can even be a cut down copy of the game if you want. For Void Bastards we often have multiple branches going out to different groups for different things.